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. 1978 May;41(5):452-7.
doi: 10.1136/jnnp.41.5.452.

Long-term recovery of visual reaction time after closed head injury

A H Van Zomeren, B G Deelman

Long-term recovery of visual reaction time after closed head injury

A H Van Zomeren et al. J Neurol Neurosurg Psychiatry. 1978 May.

Abstract

A follow-up study covering two years after a closed head injury was carried out on a group of 57 young males. Their reaction time was tested on both a simple and a four choice visual reaction task. The group was divided into three subgroups according to length of unconsciousness after the injury. Reaction time discriminated between subgroups, and a highly significant improvement during follow-up was shown. Choice reaction time discriminated better and continued to do so throughout the whole period of follow-up. Some relations of reaction time with clinical variables and outcome are discussed. The choice reaction in particular seems to have some value for monitoring recovery and predicting final outcome.

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